Microsoft Windows Live OneCare 1.1.3520.0 Malware Protection Engine input validation

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
8.0	$0-$5k	0.00

Summaryinfo

A vulnerability described as problematic has been identified in Microsoft Windows Live OneCare. Affected by this vulnerability is an unknown functionality of the component Malware Protection Engine. The manipulation results in input validation. This vulnerability was named CVE-2011-0037. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as critical has been found in Microsoft Windows Live OneCare (Operating System). Affected is an unknown code block of the component Malware Protection Engine. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Microsoft Malware Protection Engine before 1.1.6603.0, as used in Microsoft Malicious Software Removal Tool (MSRT), Windows Defender, Security Essentials, Forefront Client Security, Forefront Endpoint Protection 2010, and Windows Live OneCare, allows local users to gain privileges via a crafted value of an unspecified user registry key.

The weakness was presented 02/25/2011 by Cesar Cerrudo (Website). The advisory is shared for download at xforce.iss.net. This vulnerability is traded as CVE-2011-0037. The exploitability is told to be easy. The attack needs to be approached locally. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 52456 (MS KB2491888: Microsoft Malware Protection Engine (MMPE) Privilege Escalation), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows. The commercial vulnerability scanner Qualys is able to test this issue with plugin 90688 (Microsoft Malware Protection Engine Elevation of Privilege Vulnerability (KB2491888)).

Upgrading to version 1.1.6603.0 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (65626), Tenable (52456), SecurityFocus (BID 46540†), SecurityTracker (ID 1025117†) and Vulnerability Center (SBV-29938†). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Operating System

Vendor

Microsoft

Name

Windows Live OneCare

Version

1.1.3520.0

License

commercial

Website

Vendor: https://www.microsoft.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.4
VulDB Meta Temp Score: 8.0

VulDB Base Score: 8.4
VulDB Temp Score: 8.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 52456
Nessus Name: MS KB2491888: Microsoft Malware Protection Engine (MMPE) Privilege Escalation
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Windows Live OneCare 1.1.6603.0

Timelineinfo

02/23/2010 🔍
12/10/2010 +289 days 🔍
02/23/2011 +75 days 🔍
02/24/2011 +1 days 🔍
02/25/2011 +1 days 🔍
02/25/2011 +0 days 🔍
02/25/2011 +0 days 🔍
03/20/2015 +1484 days 🔍
12/01/2024 +3544 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: xforce.iss.net
Researcher: Cesar Cerrudo
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2011-0037 (🔍)
GCVE (CVE): GCVE-0-2011-0037
GCVE (VulDB): GCVE-100-56628
X-Force: 65626
SecurityFocus: 46540 - Microsoft Malware Protection Engine Local Privilege Escalation Vulnerability
Secunia: 43468
SecurityTracker: 1025117
Vulnerability Center: 29938 - Microsoft Malware Protection Engine Prior to 1.1.6603.0 Local Privilege Escalation Vulnerability, Medium

Entryinfo

Created: 03/20/2015 16:16
Updated: 12/01/2024 02:33
Changes: 03/20/2015 16:16 (56), 03/16/2017 16:05 (10), 10/18/2021 09:06 (5), 10/18/2021 09:07 (1), 12/01/2024 02:33 (18)
Complete: 🔍
Cache ID: 216::103